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- IC697CHS770
- Redundant Rack Unit
- USA
- 283 × 483 × 190 mm
- 9.07 kg
- Xiamen, China
- New & In Stock
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Product Overview
The GE IC697CHS770 Redundant Rack Unit is a rack assembly designed for GE Fanuc Series 90-70 industrial control systems. It provides a physical mounting and electrical interconnection platform for compatible PLC processors, I/O modules, communication modules, power supplies, and other control-system components.
The IC697CHS770 is particularly associated with redundant control system configurations, where system availability and operational continuity are important. In a redundant PLC architecture, critical control functions can be supported by duplicated or coordinated hardware so that the control system can continue operating when a primary component or control path experiences a fault.
With specified dimensions of approximately 283 × 483 × 190 mm and a weight of approximately 9.07 kg, the IC697CHS770 is a substantial rack assembly intended for installation inside industrial control cabinets.
The rack provides the mechanical structure and backplane connections required to install compatible Series 90-70 modules. It is therefore not a standalone PLC processor. Instead, it forms part of the larger hardware architecture that allows processors, power supplies, I/O modules, and communication devices to operate together.
The IC697CHS770 is particularly useful in applications where PLC hardware organization, module connectivity, and redundancy are important considerations.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | GE Fanuc / GE |
| Product Family | Series 90-70 |
| Model | IC697CHS770 |
| Product Type | Redundant Rack Unit |
| Rack Type | Redundant PLC Rack |
| Application | Industrial PLC Control Systems |
| Module Interface | Series 90-70 Backplane |
| Installation | Control Cabinet / Industrial Rack |
| Dimensions | 283 × 483 × 190 mm |
| Weight | 9.07 kg |
| Mounting | Cabinet / Panel Mount |
| System Function | Module mounting and backplane interconnection |
| Typical System | GE Series 90-70 PLC |
| Compatible Modules | CPU, I/O, Communication and Power Supply Modules |
| Redundancy Application | High-availability control architectures |
| Operating Environment | Industrial Control Environment |
| Maintenance | Modular replacement |
| Typical Use | Process Control, Manufacturing and Automation |
Function and Working Principle
The primary function of the IC697CHS770 is to provide the physical and electrical infrastructure required for a Series 90-70 PLC system.
The rack contains the backplane interface through which compatible modules communicate and receive system power.
A typical PLC architecture can be represented as:
Power Supply → Rack Backplane → CPU / Controller → I/O & Communication Modules → Field Devices
The rack itself does not execute the PLC program. Instead, it provides the platform on which the processor and other modules are installed.
When the system is powered, the backplane distributes the required electrical power to compatible modules and provides the communication pathways required for data exchange between installed devices.
This allows modules such as:
- CPU modules
- Digital input modules
- Digital output modules
- Analog input modules
- Analog output modules
- Communication modules
- Bus interface modules
- Specialty modules
to operate as part of an integrated control system.
In a redundant configuration, the rack can be incorporated into an architecture designed to improve system availability. Redundancy can involve duplicated processors, power supplies, communication paths, or other system components depending on the overall control-system design.
The exact redundancy architecture must be determined according to the installed Series 90-70 hardware and application requirements.
Role in Industrial Control Systems
The IC697CHS770 provides the structural foundation for a modular PLC control system.
In an industrial control cabinet, the rack allows multiple control modules to be organized into a single integrated hardware assembly.
A typical architecture may include:
Field Sensors → Input Modules → CPU → Output Modules → Actuators
Communication modules can provide connections to higher-level control systems, remote I/O, operator interfaces, or other PLC systems.
The rack therefore plays an important role in:
- Module installation
- Backplane communication
- System power distribution
- PLC hardware organization
- Maintenance access
- System expansion
- Redundant control architectures
For large industrial installations, the modular design makes it possible to configure the PLC according to the number and type of required I/O and communication functions.
If the control system needs additional digital or analog channels, compatible modules can be installed in the available rack positions.
This modular architecture makes the Series 90-70 platform suitable for complex automation systems where a fixed, all-in-one controller would not provide enough flexibility.
Industrial Applications
Manufacturing Automation
The IC697CHS770 can be used in manufacturing control systems where multiple I/O and communication modules need to operate together.
Applications can include production lines, assembly systems, machine control, and automated material handling.
Process Control
Industrial process-control applications often require multiple analog and digital I/O modules.
The rack provides the hardware platform for organizing these modules into a centralized PLC system.
Power and Utility Systems
Industrial utility systems can require highly available control architectures.
Where the overall Series 90-70 configuration supports redundancy, the rack can form part of a control system designed to reduce the impact of individual hardware failures.
Water and Wastewater
Water treatment systems use PLCs to control pumps, valves, motors, chemical dosing systems, and monitoring equipment.
The rack can accommodate the required I/O and communication modules for these control applications.
Material Handling
Conveyors, elevators, sorting systems, and transfer equipment can use modular PLC architectures.
The IC697CHS770 provides the mounting and backplane infrastructure required for the corresponding control modules.
Chemical and Petrochemical Systems
Industrial processing systems often require a combination of analog inputs, digital I/O, communication interfaces, and control processors.
A modular rack architecture makes it possible to build a PLC system according to the specific process requirements.
OEM and Machine Control
The Series 90-70 platform can be used in larger machine-control systems where numerous I/O points and communication functions are required.
Installation and System Integration
Proper installation is important for reliable operation of the IC697CHS770 and its associated PLC modules.
Before installation, engineers should verify:
- Rack compatibility
- Series 90-70 module compatibility
- Power supply requirements
- CPU compatibility
- I/O module requirements
- Communication module requirements
- Cabinet dimensions
- Grounding
- Ventilation
- Module spacing
- Wiring requirements
- Redundancy architecture
Typical Installation Procedure
- Confirm that the control cabinet is de-energized.
- Verify the rack model and system configuration.
- Prepare the cabinet mounting surface.
- Install the IC697CHS770 securely.
- Connect the appropriate grounding system.
- Install the compatible power supply.
- Install the required CPU or redundant processor hardware.
- Install the required I/O modules.
- Install communication and specialty modules.
- Verify that each module is correctly seated.
- Connect field wiring and communication cables.
- Check power distribution and grounding.
- Apply power to the system.
- Verify module status indicators.
- Confirm CPU operation.
- Check communication between installed modules.
- Download or verify the PLC configuration.
- Test I/O operation.
- Verify redundancy functions where applicable.
- Perform the complete control-system commissioning procedure.
The rack should be installed in a cabinet environment that provides appropriate temperature control, ventilation, grounding, and protection against excessive dust, moisture, vibration, and electrical interference.
Redundant System Integration
One of the important characteristics of the IC697CHS770 is its association with redundant control-system architectures.
Redundancy is commonly used when an automation system must maintain operation even if a critical hardware component experiences a failure.
A redundant architecture may use:
- Redundant processors
- Redundant power supplies
- Redundant communication paths
- Redundant I/O arrangements
- Fault monitoring
- Automatic or controlled switchover
The exact redundancy implementation depends on the complete Series 90-70 hardware configuration.
A properly engineered redundant system can improve control-system availability by reducing dependence on a single critical component.
For applications such as process plants, utilities, continuous manufacturing, and other operations where an unexpected shutdown can be costly, redundant control architecture can provide an important layer of operational resilience.
The IC697CHS770 should therefore be evaluated as part of the complete redundant system rather than as an isolated rack component.
Compatible System Components
The IC697CHS770 can be integrated with compatible GE Fanuc Series 90-70 system components.
| Component | Function |
|---|---|
| Series 90-70 CPU Module | PLC program execution and system control |
| Series 90-70 Power Supply | Provides system power |
| Digital Input Module | Receives discrete field signals |
| Digital Output Module | Controls discrete field devices |
| Analog Input Module | Measures analog process signals |
| Analog Output Module | Provides analog control signals |
| Communication Module | Industrial network communication |
| Bus Interface Module | PLC and network connectivity |
| Specialty Module | Application-specific control functions |
| Programming Computer | PLC configuration and programming |
| Operator Interface | Machine and process monitoring |
| Industrial Ethernet Equipment | Higher-level network communication |
| Field Sensors | Process measurement |
| Actuators | Physical process control |
| Terminal Blocks | Field wiring connection |
| Redundant Control Components | High-availability architecture |
The exact modules that can be installed should always be verified against the Series 90-70 rack and the requirements of the specific PLC configuration.
Recommended Alternative Models
The following GE Series 90-70 rack and controller components can be considered when designing or maintaining a similar PLC system.
| Model | Type | Key Feature | Typical Application |
|---|---|---|---|
| IC697CHS750 | 5-Slot Rear I/O Rack | Compact Series 90-70 rack | Smaller PLC Systems |
| IC697CHS770 | Redundant Rack Unit | Redundant control architecture | High-Availability Systems |
| IC697CHS790 | Rack Assembly | Larger modular configuration | Expanded PLC Systems |
| IC697CPU731 | CPU Module | Series 90-70 processor | General PLC Control |
| IC697CPU771 | CPU Module | High-performance processor | Complex Automation |
| IC697CGR772 | Central Processing Unit | Redundant control applications | High-Availability PLC Systems |
The IC697CHS750 is suitable for smaller Series 90-70 installations where a more compact rack configuration is required.
The IC697CHS770 is more appropriate when the control architecture requires rack hardware associated with redundant system configurations.
For applications requiring greater processing capability, compatible CPU modules such as the IC697CPU731 or IC697CPU771 can be considered according to system requirements.
The IC697CGR772 may be considered for applications requiring a central processing unit associated with a higher-availability control architecture.
When replacing an existing rack, engineers should verify rack type, module compatibility, mounting dimensions, power supply configuration, CPU requirements, I/O capacity, and redundancy architecture before selecting an alternative.
Key Advantages
- Designed for GE Fanuc Series 90-70 PLC systems
- Redundant rack configuration
- Provides modular backplane infrastructure
- Supports compatible CPU modules
- Supports digital I/O modules
- Supports analog I/O modules
- Supports communication modules
- Supports specialty modules
- Suitable for high-availability control architectures
- Modular system design
- Simplifies PLC hardware organization
- Supports cabinet-mounted installation
- Facilitates modular maintenance
- Suitable for industrial control systems
- Suitable for process-control applications
- Suitable for manufacturing automation
- Suitable for utility systems
- Suitable for material-handling systems
- Suitable for water and wastewater systems
- Dimensions of approximately 283 × 483 × 190 mm
- Approximate weight of 9.07 kg
Technical FAQs
What is the GE IC697CHS770?
The IC697CHS770 is a Redundant Rack Unit designed for GE Fanuc Series 90-70 PLC control systems. It provides the physical mounting and backplane infrastructure for compatible PLC modules.
Is the IC697CHS770 a PLC CPU?
No. The IC697CHS770 is a rack assembly rather than a standalone CPU. A compatible processor module must be installed as part of the complete PLC configuration.
What is the main function of the IC697CHS770?
Its primary function is to provide module mounting, power distribution, and backplane communication for compatible Series 90-70 control-system components.
What are the dimensions of the IC697CHS770?
The specified dimensions are approximately 283 × 483 × 190 mm.
How much does the IC697CHS770 weigh?
The specified weight is approximately 9.07 kg.
What PLC family does it belong to?
The IC697CHS770 belongs to the GE Fanuc Series 90-70 PLC platform.
Can it be used in redundant control systems?
Yes. The IC697CHS770 is associated with redundant control-system configurations. The complete redundancy architecture depends on the installed CPU, power, communication, and other compatible components.
What modules can be installed?
Depending on the system configuration, compatible Series 90-70 CPU, digital I/O, analog I/O, communication, bus-interface, and specialty modules can be installed.
Can the IC697CHS770 be used for process control?
Yes. Its modular PLC architecture can be used in suitable process-control systems involving analog and digital field signals.
Where is the IC697CHS770 commonly used?
Typical applications include manufacturing automation, process control, utilities, water and wastewater systems, material handling, chemical processing, and other industrial automation applications.
What should be checked before replacing the IC697CHS770?
Engineers should verify rack compatibility, Series 90-70 module compatibility, power supply configuration, CPU requirements, mounting dimensions, I/O requirements, communication architecture, and redundancy requirements.
Conclusion
The GE IC697CHS770 Redundant Rack Unit is an important hardware component for GE Fanuc Series 90-70 PLC systems, providing the physical and electrical infrastructure required to integrate processors, power supplies, I/O modules, communication modules, and other compatible control-system hardware.
With specified dimensions of 283 × 483 × 190 mm and an approximate weight of 9.07 kg, the rack is designed for industrial cabinet installation and provides a modular foundation for larger PLC control architectures.
Its association with redundant control configurations makes it particularly relevant to applications where system availability and operational continuity are important. By supporting an organized modular architecture, the IC697CHS770 can form part of control systems used in manufacturing, process industries, utilities, water treatment, material handling, and other industrial applications.
The rack should not be evaluated independently from the rest of the PLC system. CPU selection, power supply configuration, I/O requirements, communication architecture, cabinet design, and redundancy strategy all influence the correct system configuration.
For maintenance engineers and system integrators working with legacy GE Fanuc Series 90-70 installations, verifying the complete hardware architecture before replacing or upgrading the rack is essential. When correctly matched with compatible Series 90-70 modules, the IC697CHS770 provides a structured and robust platform for modular industrial PLC control.